Re: [RFC PATCH] input: Add wiichuck driver

From: Oliver Neukum
Date: Sat May 14 2011 - 15:16:05 EST


Am Donnerstag, 12. Mai 2011, 06:29:44 schrieb Grant Likely:
> +static void wiichuck_poll(struct input_polled_dev *poll_dev)
> +{
> + struct wiichuck_device *wiichuck = poll_dev->private;
> + struct i2c_client *i2c = wiichuck->i2c_client;
> + static uint8_t cmd_byte = 0;
> + struct i2c_msg cmd_msg =
> + { .addr = i2c->addr, .len = 1, .buf = &cmd_byte };
> + uint8_t b[6];
> + struct i2c_msg data_msg =
> + { .addr = i2c->addr, .flags = I2C_M_RD, .len = 6, .buf = b };


Do you need these buffers to be capable of DMA?

Regards
Oliver
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